# Subtext vs Undertone

Subtext and Undertone are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

Both are free to download. Subtext sells 4 in-app purchases, starting at $7.99 per month and Undertone sells 2 in-app purchases, starting at $4.99 per 7 days. Whichever you choose, the download price is not the number that matters.

Subtext ships an update every 3 weeks, Undertone monthly. The most recent releases landed on October 5, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Subtext | Undertone |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Monthly |
| Size | 48 MB | 16 MB |
| Requires iOS | 17.0 | 17.0 |
| Devices | iPhone | iPhone |
| Age rating | 17+ | 9+ |
| Developer | [Keller Tech LLC](https://appshunter.io/developer/1890353487) | [Fernix LLC](https://appshunter.io/developer/6785233330) |

## What reviewers say

### Subtext

[App page](https://appshunter.io/ios/app/subtext-text-and-chat-analyzer/id6781406011)

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Subtext Pro (Monthly) | $7.99 | per month |
| Subtext Pro (Annual) | $39.99 | per year |
| Subtext Pro (7-Day Pass) | $3.99 | one-time |
| Footnotes (pack of 5) | $5.99 | one-time |


### Undertone

[App page](https://appshunter.io/ios/app/undertone-ai-chat-analyzer/id6792533974)

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Undertone Premium Weekly | $4.99 | per 7 days |
| Undertone Premium  Yearly | $29.99 | per year |


## Frequently asked questions

### Is Subtext free?

Subtext is free to download, with in-app purchases available.

### Is Undertone free?

Undertone is free to download, with in-app purchases available.

### Do Subtext or Undertone have ads?

Neither Subtext nor Undertone shows ads.

### Which is updated more often, Subtext or Undertone?

Subtext ships an update every 3 weeks, and Undertone monthly. Most recently, Subtext was updated on October 5, 2026 and Undertone on October 25, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*